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          <span class="refentrytitle">tabsum</span>
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        <p>tabsum — 
      Adding values in a range of a table.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp157445440"></a>
        <h2>Description</h2>
        <p>
      Sums the values in an f-table in a consecutive range.
    </p>
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      <div class="refsect1">
        <a id="idp157446624"></a>
        <h2>Syntax</h2>
        <pre class="synopsis">kr <span class="command"><strong>tabsum</strong></span> ifn[[, kmin] [, kmax]]</pre>
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      <div class="refsect1">
        <a id="idp157513360"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>ifn</em></span> -- table number
    </p>
      </div>
      <div class="refsect1">
        <a id="idp157514928"></a>
        <h2>Performance</h2>
        <p>
      <span class="emphasis"><em>kr</em></span> -- input signal to write.
    </p>
        <p>
      <span class="emphasis"><em>kmin, kmax</em></span> -- range of the table to sum.
                                If omitted or zero they default to 0
                                to length of the table.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp157517520"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the tabsum opcode. It uses the file <a class="ulink" href="examples/tabsum.csd" target="_top"><em class="citetitle">tabsum.csd</em></a>.
      </p>
        <div class="example">
          <a id="idp157519376"></a>
          <p class="title">
            <strong>Example 913. Example of the tabsum opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac    <span class="comment">;;;realtime audio out</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o tab.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 2205
<span class="ohdr">nchnls</span> <span class="op">=</span> 1
<span class="ohdr">0dbfs</span>  <span class="op">=</span> 1

<span class="oblock">instr</span> 1       <span class="comment">;;; Give a value to the increment</span>
  kmax <span class="op">=</span> 256
  knorm <span class="opc">tabsum</span> 1, 0, kmax
  gkinc <span class="op">=</span> knorm<span class="op">/</span>10
<span class="oblock">endin</span>

<span class="oblock">instr</span> 2
  kmax <span class="op">=</span> 256
  kx <span class="op">=</span> <span class="opc">rnd</span>(kmax)
  krnd  <span class="opc">tabsum</span> 1, 0, kx
  knorm <span class="opc">tabsum</span> 1, 0, kmax
  kvar  <span class="op">=</span> krnd <span class="op">/</span> knorm          <span class="comment">;;; now n [0,1] range</span>
  asig  <span class="opc">oscil</span>  kvar, p4, 2
        <span class="opc">out</span>    asig
<span class="comment">;;; Make randomness give 1 more often</span>
  kc    <span class="opc">tab</span>     0, 1
        <span class="opc">tablew</span>  kc<span class="op">+</span>gkinc, 0, 1
<span class="oblock">endin</span>
<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>
<span class="stamnt">f</span>1 0 256 21 1  
<span class="stamnt">f</span>2 0 4096 10 1
<span class="stamnt">i</span>1 0 0.1
<span class="stamnt">i</span>2 0.1 3 440
<span class="stamnt">e</span>

<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
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        <p><br class="example-break" />
    </p>
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      <div class="refsect1">
        <a id="idp157523664"></a>
        <h2>See Also</h2>
        <p>
      <a class="link" href="vectorial.html" title="Vectorial Opcodes"><em class="citetitle"></em>Vectorial opcodes</a>
</p>
      </div>
      <div class="refsect1">
        <a id="idp157525712"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
          <tr>
            <td>Author: John ffitch</td>
          </tr>
          <tr>
            <td>Codemist Ltd</td>
          </tr>
          <tr>
            <td>2009</td>
          </tr>
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    </p>
        <p>New in version 5.11</p>
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